Phoenix Software International, Inc., announced the general availability of JES3plus V1R1, a derivative work based on IBM’s z/OS JES3. This release integrates SPOOL I/O performance enhancements made available to JES3plus customers through continuous delivery earlier this year. This is the first release of the JES3 technology to contain enhancements since early 2015 and coincides with z/OS 2.5, the last release of z/OS to include JES3. Organizations looking to remain on this technology who migrate to JES3plus can now reap the benefits of an enhanced product with a roadmap for future development.
JES3plus V1R1 supports two newer channel programming techniques to improve performance:
- ACKD – channel programs with a shortened prefix that can process an entire track instead of one record at a time. This enhancement leverages MIDAW support.
- zHPF – channel programs that leverage the z/Architecture fibre-channel-extensions (FCX) facility to transfer the entire channel program to the device for processing rather than having CCWs transferred as they are encountered.
Phoenix Software’s JES3 Customer Advisory Council is actively helping to prioritize the product’s enhancement roadmap, so customers should expect to see additional enhancements delivered in 2022 via continuous delivery.
“We knew early on that enhancing JES3 to use the latest I/O techniques would be a priority,” said Ed Jaffe, Chief Technology Officer at Phoenix Software International. “Waiting for a mission-critical JES3 global restart can feel like an eternity and you are sweating bullets the entire time. zHPF reduced that wait by more than 80% in our environment and our customers have enjoyed similar benefits. Much of the credit for the smooth rollout of this new, enhanced JES3plus release goes to our ISV partners and Early Test participants whose eager participation and incredible patience contributed greatly to this successful launch.”
(E)JES V6R1, the latest release of Phoenix Software’s modern JESplex management tool, includes enhancements for managing MVS subsystems, understanding address space memory utilization, and searching important system concatenations.
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